<template>
  <div>
  <button @click="showThis">this</button>
  <Header/>
  <p v-red>计数器{{count| addEnd}}</p>
  </div>
</template>

<script>

export default {
name:"App",
data(){
  return {
 count:0,
  }
},
methods:{
  showThis(){
    console.log(this);
    console.log(this.hi);
  }
}
}
</script>

<style>

</style>